People wait in line in Allston, Mass., on March 13 for an open casting call for Patriots Day, a feature film about the Boston Marathon bombing. Jessica Rinaldi/Boston Globe via Getty Images hide caption

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Filming For Marathon Bombing Movie Stirs Emotions In Boston
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Marathon bombing victim Victoria McGrath (center) has died at age 23. She's seen here at a benefit concert in May 2013 with (from left) Bruce Mendelsohn, who applied a tourniquet to McGrath's leg after the Boston bombing; first responder Alicia Shambo, McGrath; first responder Tyler Dodd; and Boston firefighter Jimmy Plourde. Paul Marotta/Getty Images hide caption

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Brotherly bonds (clockwise from left): Khalid and Ibrahim el-Bakraoui were suicide bombers in Brussels. Brahim and Salah Abdeslam were involved in last November's Paris attacks. Dzhokhar and Tamerlan Tsarnaev bombed the Boston Marathon in 2013. Cherif and Said Kouachi committed the January 2015 attack on the French satirical magazine Charlie Hebdo. Interpol, Haberturk newspaper via AP; AFP/Getty Images, Belgian Federal Police via AP; The Lowell Sun & Robin Young/AP; Prefecture de Police de Paris/AP hide caption

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Yet Again, A Major Terrorist Attack Has A Brotherly Connection
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In this courtroom sketch, Dzhokhar Tsarnaev (center) is depicted between defense attorneys Miriam Conrad (left) and Judy Clarke during his federal death penalty trial on March 5. Jane Flavell Collins/AP hide caption

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Azamat Tazhayakov, left, Dias Kadyrbayev, center, and Robel Phillipos, right, college friends of convicted Boston Marathon bomber Dzhokhar Tsarnaev, sit during a hearing in federal court in Boston in May 2014. Jane Flavell Collins/AP hide caption

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Judy Clarke and David Bruck, Dzhokhar Tsarnaev's defense attorneys, leave the Moakley federal courthouse on April 8 after their client was found guilty. John Blanding/The Boston Globe via Getty Images hide caption

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Flowers were placed at the site of the Boston Marathon finish line on Boylston Street last week. The city will mark the second anniversary of the deadly bombing Wednesday. Scott Eisen/Getty Images hide caption

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On 'One Boston Day,' City Marks Marathon Bombings' Anniversary
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